.auth-shell {
  background: radial-gradient(circle at top left, rgba(251, 146, 60, 0.25), transparent 35%),
              radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.2), transparent 35%);
}

.auth-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 24px 48px -24px rgba(15, 23, 42, 0.35);
}

.dark .auth-card {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(148, 163, 184, 0.25);
}

.auth-input {
  width: 100%;
  border-radius: 0.85rem;
  border: 1px solid #cbd5e1;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.8);
  transition: all .2s ease;
}

.dark .auth-input {
  background: rgba(30, 41, 59, 0.9);
  border-color: #475569;
  color: #f8fafc;
}

.auth-input:focus {
  outline: none;
  border-color: #f97316;
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
}

.auth-btn {
  width: 100%;
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}

.auth-btn:hover { transform: translateY(-1px); }

.auth-btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #f97316, #ea580c);
  box-shadow: 0 12px 26px -14px rgba(234, 88, 12, 0.8);
}

.auth-btn-secondary {
  color: #0f172a;
  background: #e2e8f0;
}

.dark .auth-btn-secondary {
  color: #e2e8f0;
  background: #334155;
}

.kyc-step-dot {
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  border: 1px solid #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: #fff;
  color: #64748b;
}

.kyc-step-dot.is-active {
  border-color: #f97316;
  background: #f97316;
  color: #fff;
}

.otp-input {
  width: 2.8rem;
  height: 3rem;
  text-align: center;
  border-radius: 0.75rem;
  border: 1px solid #cbd5e1;
  font-size: 1.15rem;
  font-weight: 700;
}

.auth-upload {
  border: 1px dashed #94a3b8;
  border-radius: 0.85rem;
  padding: 1rem;
  display: flex;
  gap: .6rem;
  align-items: center;
  cursor: pointer;
}

.auth-file-preview img {
  max-height: 120px;
  border-radius: 0.75rem;
  margin-top: 0.5rem;
}

.auth-toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 9999;
  min-width: 220px;
  border-radius: 0.85rem;
  padding: .75rem 1rem;
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
}
.auth-toast.success { background: #16a34a; }
.auth-toast.error { background: #dc2626; }